Unit 3: Cell Biology - Cell Transport

Osmosis is the movement of _____ across a membrane.

• food

• energy

• oxygen

• water

Which is true about active transport?

• It requires energy

• it does not require energy

• It moves substances down the concentration gradient

• it moves material from high to low concentration

This cell organelle helps organisms maintain homeostasis by controlling what substances may enter or leave cells.

• vacuole

• nucleus

• cell membrane

• cell wall

Tags

NGSS.MS-LS1-2

The cell below is in a _________ solution.

• Hypotonic
• Hypertonic
• Isotonic

Tags

NGSS.HS-LS1-3

The cell below is in a _____________ solution.

• Hypertonic
• Hypotonic
• Isotonic

Tags

NGSS.HS-LS1-3

A cell in an isotonic solution will

• swell

• shrink

• stay the same size

• impossible to tell

A cell will __________________ in a hypotonic solution.

• swell and perhaps burst

• shrink

• the size of the cell will not change

• the size of the cell will change from large to small and from small to large

Tags

NGSS.MS-LS1-5

The difference in the concentration of a substance from one location to another is called

• diffusion

• osmosis

• concentration gradient

• passive transport

Two examples of passive transport are

• Earth and Sun

• Diffusion and Osmosis

• Energy and Wind

• None of the above

In a solution, salt is considered the _______.

• solvent

• solute

• solution